Mathematics Middle School

Evaluate the expression. If necessary, round to the nearest hundredth. lne^3x^2

Answers

Answer 1
For this case we have the following expression:
 lne ^ 3x ^ 2
 Rewriting we have:
 ln (e ^ (3x ^ 2))
 By properties of the natural and exponential logarithm function, we can
rewrite the expression as:
 ln (e ^ (3x ^ 2)) = 3x ^ 2
 Answer:
 The equivalent expression is given by:
 3x ^ 2
Answer 2
lne^3x^2

by the properties of logarithm

lna^x  = xlna

so, the equation goes by

3x^2 lne; lne = 1

so the equation is 3x^2

Related Questions

A game involves spinning this spinner. What is the probability of the pointer landing on Y ?
R R R R B B G Y

1. 1 / 8
2. 1 / 2
3. 5 / 8
4. 2 / 8

Answers

Here are the steps to answer this question: 

1. Find the denominator. Since there is 8 possible outcomes, our denominator will be 8.

2. Find the numerator. To do this we need to find out of all the 8 possible outcomes, how many are them are y. Since its only 1 y, the numerator will be 1.

3. Now all we have to do now is make our fraction. The 8 possible outcomes given, only one of them has y which means that our fraction will be 1/8.

4. Answer: 1/8 or .125 or 12.5% chance for the spinner to land on y. I hope this helps!

The probability of the pointer landing on Y in the spinner game is 1. 1/8, as there is only one Y segment out of a total of 8 segments.

In the given question there is a probability scenario involving a spinner divided into segments that represent different outcomes. The spinner has segments labeled R, B, G, and Y, which represent the colors red, blue, green, and yellow respectively.

To find the probability of the pointer landing on Y (P(Y)), we need to count the total number of segments and determine how many of those are labeled Y.

Given the spinner segments R R R R B B G Y, there is a total of 8 segments.

Since only one of these segments is labeled Y, the probability of the pointer landing on Y is the number of Y segments divided by the total number of segments:

P(Y) = Number of Y segments / Total number of segments = 1 / 8

Therefore, the correct answer is option 1, which is a probability of 1 / 8.

Can someone help me?

Answers

1/25 =.04 or 4%
There is 4% probability to have a white card.

Find the equation for the line that passes through A's hypotenuse
plz show work

Answers

The answer is:  " 1 " 
_________________________________________
              " y = -2x + 1 " .
_________________________________________
Explanation:
_________________________________________

Look at the hypotenuse for "ΔA" and note the coordinates of where the hypotenuse crosses the "y-axis".

The coordinates are:  " (0, 1) " ;  that is:  " x = 0 ;  y = 1 " .

So, the problem /question is:  " y = -2x + [?] " ; 

→ Plug in " 1 " for "y" ;  as follows:

→  " 1 = -2x + [?] " ; 

→  We know that "x = 0";  

→ when "x = 0" ;    →  " -2x " = " (-2 * 0) = 0 ;  

So,  1 = 0 + [?] ; 

The answer is " 1 " ; since:  " { 0 + 1 = 1 .} .

Or, with a more detailed explanation:
_______________________________________________________
  →  1  =  0  +  [?]  ;

Subtract "0" from EACH SIDE of the equation;
 
  →  1  − 0 =  0  +  [?]  − 0 ; 

to get:

 →  1 = [?] ; 
______________________________________________________
The answer is:  " 1 " .
______________________________________________________

Suppose the volume of a right circular cylinder is 225 cubic meters and the area of its base is 25 square meters. What is the height of the cylinder?

Answers

Volume of a cylinder: [tex] \pi [/tex]r²h

First we need to find the radius of the cylinder. It's area is 25. We can plug that into the area formula, [tex] \pi [/tex]r² and solve for r (radius).

[tex] \pi [/tex]r² = 25
Divide both sides by [tex] \pi [/tex].

r² = 7.96
Square root both sides.

r = 2.82 meters

Now plug the radius + volume into the volume formula and solve for h.
[tex] \pi [/tex]2.82²h = 225
Divide by [tex] \pi [/tex].

2.82²h = 71.62
Divide by 2.82².

h = 9

The height of the cylinder is 9 square meters.

The height of the cylinder will be 9 meters.

What is the volume of a right circular cylinder?

Let r be the radius, h be the height, and A be the area of the cylinder. Then the volume of the cylinder will be given as,

V = π r²h cubic units

V = Ah cubic units

Suppose the volume of a right circular cylinder is 225 cubic meters and the area of its base is 25 square meters. Then the height of the cylinder is calculated as,

225 = 25h

h = 225 / 25

h = 9 meters

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I’m Dec. 4, 1998, sunrise was at 6:58am.and sunset was at 4:12pm. The length of the daylight from sunrise to sunset was:
A.)8 hr 15min
B.)9hr 3min
C)9hr 12min
D)9hr 14min
E)10hr 15min

Answers

6:58 AM to 4:12PM = 9 hours and 14 minutes

answer

D)9hr 14min

9hr 14 min is the Answer

Drag the numbers to the boxes to order them from least to greatest value.

Answers

it will be 
.9,0,2,√5,47/14
the square root of five is 2.23 and when you convert 45/14 to a decimal it is 3.35 which in this case is the greatest value which makes .9 the smallest or in this case the least

A car uses 8 gallons of gasoline to travel 290 miles. How much gasoline will the car use to travel 400 miles

Answers

To find this answer, you would need to find how many miles 1 gallon of gas will take them. To find this, you would do 290÷8=36.25. So with this information, you will be able to find out how much gas it would take to travel 400 miles. You would do 400÷36.25=11.03. 11.03 would be how many gallons of gas is used to travel 400 miles. Hope this helps! ;)

How much gasoline will the car use to travel 400 miles is 11.03 gasoline.

Formulate

400×8÷290

Calculate the product or quotient

3200/290

Cross out the common factor

320/29

Hence:

11.03 gasoline

Inconclusion  how much gasoline will the car use to travel 400 miles is 11.03 gasoline.

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Arnold wants to buy two bicycles. Which shop provides the lowest price on the bicycles?

A- Bob's Bikes
B- Walt's Wheels
C- Carson's Cycles
D- Tino's Transportation

I need help on this one. Also pleaseeeee include how you solved it.

Answers

Bob's Bikes
260 × 0.2 = 52
260 - 52 = 208
208 × 2 = $416.00

Walt's Wheels
300 × 0.6 = 180
300 - 180 = 120
120 × 2 = $240.00

Carson's Cycles
310 × 0.1 = 31
310 - 31 = 279
279 × 2 = $558.00
(i can't read what it says for $50, comment below if it makes a difference, i'll edit)

Tino's Transportation
260 ÷ 2 = 130
260 + 130 = $390.00


B) Walt's Wheels provides the lowest price for two bicycles.

HELP PLEASE!!!!!! Answer all questions, please... Linear? Is there a pattern in the data points? If so, describe the pattern.

Do the points show a positive linear association, a positive nonlinear association, a negative linear association, a negative nonlinear association, or no association?

What does this association tell you about the relationship between the variables?

Are there any clusters or outliers?

Answers

This is linear as long as the points can be seen following the trend line. The graph shows a positive association. This tells you that the average height increases with rainfall. A cluster can be found in between 0.25 and 0.5 on the y-axis, there are no outliers. The pattern shows the trend line increasing at a steady, somewhat predictable rate.

If the least value of n is 4, which inequality best shows all the possible values of n?

n ≤ 4
n ≥ 4
n < 4
n > 4

Answers

Comment
If the least value of n is 4 that means that 4 is one of the numbers in whatever it is that you are describing. In other words n = 4 is part of your answer. If that is the case, the last two values are incorrect because 4 is not included in either one of them.

Discussion
So that means that you have to choose between one of the first 2. The key word is least. It means that the lowest possible value is 4. Nothing is lower. 

When you write something like n ≤ 4 what you are saying is the n must be = to or less than 4. The arrow head points to the smallest number which, in this case, is n. 

But the question says that the least number is 4. So the arrowhead must point towards the 4. This we have that n must be larger than 4. 

Conditions
There are 2 conditions to this problem
n must be greater than 4
n can equal 4. It is the smallest number.

Answer
n≥4 <<<<<answer
B <<<<<< answer.

Eric is getting his mountain climbing cerificate. There are 63 days that Eric climbs for 2 hours, there are 97 days that he climbs for 3 hours. How many more hours does Eric need to climb until he earns a certificate for climbing 500 hours?

Answers

Multiply 63x2= 126 then multiply 97x3=291
126+291=417. he needs 500 hours now you will subtract 500-417=83 he needs 83 more hours to reach 500

Final answer:

Eric's total hours climbed so far are 417 hours. To meet his goal of a 500-hour certificate, he still needs to climb for 83 additional hours.

Explanation:

The question pertains to Eric's mountain climbing practice. To find how many more hours does Eric need to climb to earn his 500-hour certificate, we need to calculate the total hours he has already climbed by multiplying the number of days he climbed by the number of hours he climbed each day.

So, for the 63 days Eric climbed for 2 hours each day, that's 63 * 2 = 126 hours.

And for the 97 days he climbed for 3 hours each day, that's 97 * 3 = 291 hours.

Now, we add these two amounts together: 126 hours + 291 hours = 417 hours.

Since he is aiming for a 500-hour certificate, we subtract the hours he has already climbed from this total: 500 hours - 417 hours = 83 hours

Therefore, Eric needs to climb for 83 more hours to earn his 500-hour certificate.

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Given the figure below, find the values of x and z.

Answers

First, because 13x-85 and 97 are across from each other like that, you know that they are equal to each other. If you solve, you know that x is equal to 14. Then, you know that all the angles must equal 360 degrees. If you add 97 and 97 together, you get 194. Now, subtract that by 360, and you get the remaining degrees of the other two angles. Then, divide that by two, and z equals 83. Hope this helped!

Answer:

x = 14° and z = 83°

Step-by-step explanation:

We know that the vertical angles of intersecting lines are equal.

Thus, 13x - 85 = 97

i.e. 13x = 97 + 85

i.e. 13x = 182

i.e. [tex]x=\frac{182}{13}[/tex]

i.e. x = 14°

Since, the sum of all the four angles formed by intersecting line is 360°.

We get,

(13x-85) + 97 + 2z = 360°  (Take 2z as opposite angles are equal)

i.e. 2z = 360 - 97 + 85 - 13 × 14

i.e. 2z = 360 - 12 - 182

i.e. 2z = 360 - 194

i.e. 2z = 166

i.e. [tex]z=\frac{166}{2}[/tex]

i.e. z = 83°

Hence, we get the angles x = 14° and z = 83°.

Please Help Me With these questions!

Answers

Hello again!

1. Skew lines are lines that are not on the same plane, and hence are not parallel and do not intersect. The correct answer is D.

2. Parallel lines are lines that run next to each other, but will never intersect.  FG and EH will never intersect, and they run next to each other. The correct answer is B. 

Hope I helped! :3


please solve both, graph and show work. answer also has to be in y=mx+b format.

2x-y=1 and x+y=2

Answers

To solve both it is (1,1). I'm not sure how to write the answer in y=mx+b format, but I made a graph using desmos.com if that helps.

Five times the quantity s + 6 equals 3 times the quantity s - 2. What value of s makes this sentence true?

Answers

5(s + 6)= 3(s - 2)
multiply 5 and 3 by their parentheses

5s + 30= 3s - 6
subtract 3s from both sides

2s + 30= -6
subtract 30 from both sides

2s= -36
divide both sides by 2

s= -18


CHECK:
5(s + 6)= 3(s - 2)
5(-18 + 6)= 3(-18 - 2)
5(-12)= 3(-20)
-60= -60


ANSWER: The value of s that makes the statement true is -18.

Hope this helps! :)

EASY MATH!!! The formula F=9/5C+32 is used to convert Celsius to Fahrenheit temperature. A. Solve the formula for C B. The boiling point of water is 212 F What is C?
If a house thermostat was set at 80F what is C? Answer at nearest tenth. DO THIS

Answers

F=\dfrac{9}{5}C+32\\\\A.\\\dfrac{9}{5}C+32=F\ \ \ |-32\\\\\dfrac{9}{5}C=F-32\ \ \ |\cdot\dfrac{5}{9}\\\\C=\dfrac{5}{9}(F-32)



B.\\F=212\to C=\dfrac{5}{9}(212-32)=\dfrac{5}{9}\cdot180=100\\\\212^oF=100^oC



C.\\F=80\to C=\dfrac{5}{9}(80-32)=\dfrac{5}{9}\cdot48\approx26.7\\\\80^oF\approx26.7^oC

three times the square root of a number is the same as 4 less than the number. find the number

Answers

The problem is asking you to find x in this equation: 3×√x = x-4   I guessed and checked for this problem with numbers that were perfect squares like 4,9,16 etc. The number you are looking for is x=16 The square root of 16 is 4. 4x3=12 and 16-4 is 12. 
Hope I helped!

Lydia brought 4 liters of lemonade to a picnic. She poured 160 millimeters of lemonade for each of her 2 friends and 215 millimeters for another friend. How much lemonade does Lydia have left

Answers

1 litre=1000mL so we know that 4x1000= 4000mL

Since she poured 160 mL for TWO friends

160x2=320

She then says that another friend has 215 mL of lemonade.

So that means

4000-320-215= 3465 mL

Therefore Lydia has 3465mL or 3.465L of lemonade left

cuanto cuestan 4 camisetas a $16,000 la docena?

Answers

Lo siento, no sé español, pero lo intenté.

Si se trata de "$ 16,000" para una docena de camisas que es 12, se dividiría "16,000 entre 12". Luego obtendrás 1,333.3 para multiplicar eso por 4 y luego obtendrás 5,333.3 a lo que responderás.

 Esta es la ecuación,
16,000 / 12 = 1,333.3 x 4 = 5,333.3
 
Espero que esto ayude :-)

Help me I don’t get this

Answers

Find the area of the Square. Then Use 3.14 to find the area of the Half Circle, and the Triangle's area too. Find the Formulas for each shape, plug in the numbers, and add the totals together.
So, first we have to separate the figure into three different shapes. What you get is a triangle, a semi-circle, and a rectangle. Lets first start with the triangle.

So, the formula to find the are of a triangle is A=1/2bh
So the height of the triangle is 3 m and the base is 4 m.
So, you have to do A= 1/2×3×4, which equals to 6 m²
So, the area of the triangle is 6 m²

For the rectangle however, the formula to find the area is A=bh
So the base of the rectangle is 6 and the height is 3
So, you do A=6×3, which is 18
So, the area of the rectangle is 18 m²

Now, for the semi-circle, the formula to find the area is A= 1/2×pi×r²
So the radius of the semi-circle is 3 because 6÷2=3
So, what you do is A=1/2×3.14×3²,which equals 14.13

Finally, you have to add all the answers you just got, which would be 6+18+14.13, which would equal 38.13

So, your final answer would be 38.13 m²

Are the forces blanched or unbalanced support your answer :)

Answers


 there is 100 pushing to the right and 10 pushing to the left 
 since 100 is larger than 10, the force is unbalanced.and the object would move to the right.

Please any one can help me with one

Answers

gallon, cup, quart, pint, teaspoon
gal, c, qt, pt, tsp

Teaspoon is the smallest, then cup, pint, quart, and gallon.

The answer is C) 1 tsp, t c, 1 pt, 1 qt, 1 gal.
Final answer:

The question lacks sufficient details to be categorized accurately. Further clarification is required to give a proper response.

Explanation:

The question does not provide enough information to determine its subject, grade level, or the exact academic help needed. To provide efficient help, it would be most beneficial if you can clarify your question specifying the academic subject and the grade level of this question and also give a clear context of what exactly is your challenge.

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What is the net force in the parachutist ?

Answers

Force = mass x acceleration (F=ma)  
When the parachutist reaches terminal velocity they are moving at a constant speed and no longer accelerating  so acceleration (a) would be  0

so F would also be 0 since anything multiplied by 0 = 0
 
this would also mean that Fdrag must exactly balance Fg
so  Fdrag would = -Fg, so Fdrag would be -850 N

Edgar collects sports T-shirt.He has 16 socoT-shirts and 24 rugby T- shirts. He has 12 hats. Haw many T -shirt does Edgar have in all? Draw a picture and write an equation to show your work

Answers

Edgar has 40 shirts. The equation you could write is 24+16=40.  Hope this helps!!

$3500 at 10% for 2 years

Answers

The amount paid is $11,900.

First, you multiply $3,500 and 0.1 (10%). This gives you $350, which you multiply by 24 (24 months or 2 years), giving you $8,400. Finally, you add $8,400 and $3,500 to get your final answer.

I hope this helps!

Select from the drop-down menus to correctly complete the statements about the given figures.

Quadrilateral IJKL is the result of a ________of quadrilateral ABCD . Therefore, the quadrilaterals are_________

Answers

Quadrilateral IJKL is the result of a Dilation of quadrilateral ABCD . Therefore, the quadrilaterals are Similar.

Answer:

Transformation, similar

Step-by-step explanation:

Given is a graph with two quadrilaterals IJKL and ABCD

On comparing these we find that the sides of IJKL are proportional to the sides of ABCD. Also the angles of the quadrilateral between pair of sides of IJKL are congruent with angles of the quadrilateral of ABCD.

Hence we can say these two quadrilaterals are similar

Also we can find that ABCD is obtained from IJKL by a set of a series of transformations as reflection on y axis, dilation of sides proportionally and shifting vertically.

Thus the answers for fill in the blanks are

Quadrilateral IJKL is the result of a ___transformation_____of quadrilateral ABCD . Therefore, the quadrilaterals are____similar_____

One leg of a 45 - 45 - 90 triangle measures 12 centimeters what is the length of the hypotenuse

Answers

The angles of the triangle are given as to have measures of 45°-45°-90°. This entails that the triangle is an isosceles triangle where the 2 legs of the triangle are of equal length. We calculate as follows:

c² = a² + b²

c² = 2a²

4² = 2a²

a = 2√2

Hope this answers the question.


Hello!

Since this triangle is what I like to call a "45er", and both legs of a 45er are equal, we can now apply the Pythagorean Theorem to find the measure of the hypotenuse.

[tex]12^2 + 12^2 = c^2 144 + 144 = 288 \sqrt{288} = 16.9 [/tex] (Rounded)

Your answer is 16.9. Round this to 17 if the question is looking for a whole number. :)

PLEASE HELP! Identify the rule for the function table.

Answers

Hello!

You have to find what the rule is

12/24 = 0.5
6/12 = 0.5
 -6/-12= 0.5

They multiply x by 0.5

the rule is multiply x by 0.5 or y = 0.5x

Hope this helps!

Answer:

0.5

y=0.5x

im just doing this for this for thi s ekjrhgr reklgrlkjg4 tk4jt4ltj4 t4ltk4jtlk4t

Somebody help please and explain!!!????

Answers

The Fibonacci series starts (usually with two ones) and a two. for the first 3 numbers. It looks like this
1 1 2 3 5 8 etc.

Yours is a variation in the way it starts but it follows the same rule. 
To get the next term in the series, you add the previous 2 terms.

So for example, to get 8, you would add 3 and 5 together. To get 13 your add 5 and 8 together.

To get the next branch add 8 and 13 together. That makes 21. To get the one after that, add 21 and 13 together. 21 + 13 = 34

When you study recursion, this series is going to come up a great deal.

Answer: 21, 34
C <<<<< answer

The outlined elements have a major characteristic in common. They are all
A) metals.
B) nonmetals.
C) very reactive.
D) solids at room temperature.

Answers

B nonmetals with the exception that some of the elements are more reactive than the others
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